diff --git a/src/babel/generation/generators/classes.js b/src/babel/generation/generators/classes.js
index ef0b3ae16b..a4d3fd1969 100644
--- a/src/babel/generation/generators/classes.js
+++ b/src/babel/generation/generators/classes.js
@@ -3,7 +3,7 @@ export function ClassDeclaration(node, print) {
   this.push("class");
 
   if (node.id) {
-    this.space();
+    this.push(" ");
     print(node.id);
   }